Claire McCaskill: “One of the reasons I think that Joe Biden would never lose ground in a debate with Donald Trump is because this country…”

I have won when the polls said I couldn't and I have lost when the polls said I would win, so I am not a big believer in all of the horse race stuff.

This is never a referendum. Presidential elections, by the time they run around, is always, 'well, who do you like slightly better than the two you don't like?' So it is a binary choice.

He's focused on himself?

The culture wars? I've got to tell you, this time around, bring it, because I think that Democrats want to talk about abortion, and they want to talk about guns.